公开(公告)号：US20230152420A1

公开(公告)日：2023-05-18

申请号：US17905839

申请日：2021-04-05

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KO ,  Jongseob BAEK

IPC: G01S5/06 ,  G01S5/02 ,  H04W64/00 ,  H04L5/00

CPC classification number: G01S5/06 ,  G01S5/0236 ,  G01S5/02213 ,  H04W64/00 ,  H04L5/0048

Abstract: Proposed is an operation method for a first device (100) in a wireless communication system. The method may comprise the steps of: receiving a first positioning reference signal (PRS) from a second device (200), on the basis of a first antenna (106-1), a second antenna (106-2), and a third antenna (106-3); obtaining a first time difference, on the basis of a first reception time at which the first PRS is received on the basis of the first antenna (106-2) and a second reception time at which the first PRS is received on the basis of the second antenna (106-2); obtaining a second time difference, on the basis of a third reception time at which the first RPS is received on the basis of the third antenna (106-3) and the first reception time; and obtaining the location of the first device (100), on the basis of the first time difference and the second time difference.

公开(公告)号：US20220200728A1

公开(公告)日：2022-06-23

申请号：US17565965

申请日：2021-12-30

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO

IPC: H04L1/00 ,  H04L1/06 ,  H04L5/00 ,  H04L9/40 ,  H04L27/26

Abstract: A broadcast signal reception method, according to one embodiment of the present invention, may comprise the steps of: receiving a broadcast signal, demodulating the received broadcast signal by an orthogonal frequency-division multiplexing (OFDM) method, parsing at least one signal frame from the demodulated broadcast signal, convolutionally deinterleaving data in the at least one parsed signal frame, block deinterleaving the convolutionally deinterleaved data, cell deinterleaving the block deinterleaved data, and decoding the cell deinterleaved data.

公开(公告)号：US20210112384A1

公开(公告)日：2021-04-15

申请号：US16464543

申请日：2016-11-28

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Woosuk KO

IPC: H04W4/23 ,  H04W4/40 ,  H04W72/04

Abstract: Disclosed is a method of operating multi-channels of a V2X communication device. The method of operating multi-channels includes accessing a control channel (CCH) for system management information or service advertisement information exchange; receiving the service advertisement information via the accessed CCH; accessing to a service channel (SCH) for transmission or reception of application data for providing the service based on the service advertisement information; and receiving the service data via the SCH.

公开(公告)号：US20200229019A1

公开(公告)日：2020-07-16

申请号：US16620845

申请日：2017-06-08

Applicant: LG Electronics Inc.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Seoyoung BACK

IPC: H04W28/02 ,  H04W4/40 ,  H04W40/12

Abstract: Disclosed is a method for operating multi-channel of a V2X communication device. The method for operating multi-channels of a V2X communication device according to an embodiment of the disclosure comprises the steps of: obtaining channel busy ratio (CBR) information on a reference channel and at least one service channel; selecting a first service channel to be channel-switched on the basis of the CBR information; channel-switching to the first service channel and measuring the CBR information on the first service channel; and transmitting a first transmission packet including first multi-channel CBR information over the first service channel.

公开(公告)号：US20190132095A1

公开(公告)日：2019-05-02

申请号：US16233996

申请日：2018-12-27

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L5/00 ,  H04L27/26 ,  H04B7/0413 ,  H04L1/00 ,  H04W4/06

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, wherein the signal frame includes at least one service data, a time deinterleaver to time deinterleave each the service data, wherein the time deinterleaving is performed depending on a number of physical paths for each the service data, a damapper to demap the time deinterleaved data and a decoder to decode the demapped service data.

公开(公告)号：US20180302185A1

公开(公告)日：2018-10-18

申请号：US16013683

申请日：2018-06-20

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Sungryong HONG

IPC: H04L1/00 ,  H04L27/26 ,  H04L29/06 ,  H04B7/0413 ,  H04L1/04 ,  H04W72/04

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to perform demodulation on the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, wherein the broadcast signals include at least one signal frame, wherein a signal frame includes a preamble and at least one sub-frame, a frequency de-interleaver to frequency de-interleave the demodulated broadcast signals by using a different interleaving sequence, wherein the different interleaving sequence is used for data at least one of the preamble and a sub-frame, wherein the different interleaving sequence is generated based on an interleaving sequence and a symbol offset, a frame parser to parse the at least one signal frame from the frequency de-interleaved broadcast signals and a decoder to decode service data in the parsed at least one signal frame.

公开(公告)号：US20180145856A1

公开(公告)日：2018-05-24

申请号：US15863492

申请日：2018-01-05

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Seoyoung BACK ,  Sungryong HONG

IPC: H04L27/26 ,  H04H40/09 ,  H04L1/00

CPC classification number: H04L27/2605 ,  H03M13/00 ,  H04H40/09 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, a time deinterleaver to time deinterleave data in the parsed signal frame and a decoder to decode the time deinterleaved data.

公开(公告)号：US20170359143A1

公开(公告)日：2017-12-14

申请号：US15689805

申请日：2017-08-29

Applicant: LG ELECTRONICS INC.

Inventor： Byounggill KIM ,  Woochan KIM ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG ,  Chulkyu MUN ,  Jinyong CHOI ,  Jaeho HWANG ,  Jongseob BAEK ,  Kookyeon KWAK ,  Byeongkook JEONG

IPC: H04L1/00 ,  H04L1/06 ,  H04L1/08 ,  H04L27/26

CPC classification number: H04L1/0041 ,  H04L1/0045 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0072 ,  H04L1/0625 ,  H04L1/0631 ,  H04L1/08 ,  H04L27/2607 ,  H04L27/2613 ,  H04L2001/0093

Abstract: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC encoded DP data and mapping the bit interleaved DP data onto constellations; building at least one signal frame by mapping the encoded DP data; and modulating data in the at least one built signal frame by an Orthogonal Frequency Division Multiplexing, OFDM, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.

公开(公告)号：US20170118053A1

公开(公告)日：2017-04-27

申请号：US15401616

申请日：2017-01-09

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Woosuk KO ,  Seoyoung BACK ,  Sungryong HONG

IPC: H04L27/26 ,  H04L1/00 ,  H04H40/09

CPC classification number: H04L27/2605 ,  H03M13/00 ,  H04H40/09 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0061 ,  H04L1/0071 ,  H04L1/0075 ,  H04L27/2602 ,  H04L27/2627 ,  H04L27/2649 ,  H04L2001/0093

Abstract: A method and an apparatus for receiving broadcast signals thereof are disclosed. The apparatus for receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to demodulate the received broadcast signals by an OFDM (Orthogonal Frequency Division Multiplex) scheme, a frame parser to parse a signal frame from the demodulated broadcast signals, a time deinterleaver to time deinterleave data in the parsed signal frame and a decoder to decode the time deinterleaved data.

公开(公告)号：US20170078130A1

公开(公告)日：2017-03-16

申请号：US15362312

申请日：2016-11-28

Applicant: LG ELECTRONICS INC.

Inventor： Jongseob BAEK ,  Jaehyung KIM ,  Woosuk KO ,  Sungryong HONG

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2627 ,  H04L1/0041 ,  H04L1/0058 ,  H04L1/0071 ,  H04L1/04 ,  H04L5/0007 ,  H04L5/0053 ,  H04L27/2602 ,  H04L27/2604 ,  H04L27/2626 ,  H04L27/2628 ,  H04L27/2633 ,  H04L27/2647 ,  H04L27/265

Abstract: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding service data, a mapper for mapping the encoded service data into a plurality of OFDM (Orthogonal Frequency Division Multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every OFDM symbol pair comprised of two sequential OFDM symbols, a modulator for modulating the frequency interleaved data by an OFDM scheme and a transmitter for transmitting the broadcast signals having the modulated data.

Abstract translation: 公开了一种用于发送广播信号的方法和装置。 用于发送广播信号的装置包括用于对服务数据进行编码的编码器，用于将经编码的服务数据映射成多个OFDM（正交频分复用）符号以构建至少一个信号帧的映射器，用于频率交织数据的频率交织器 所述至少一个信号帧通过使用用于由两个顺序OFDM符号组成的每个OFDM符号对而使用的不同交织种子，用于通过OFDM方案调制频率交织数据的调制器和用于发送具有 调制数据。